Re: mmap64 for PA

[Ulrich Drepper]

Matthew Wilcox <address@hidden> writes:

> New file.  Simply enclosing it seems easier than sending a diff.

This kind of change shouldn't be necessary.  You should be able to
include the PPC version and unconditionally define
__ASSUME_MMAP2_SYSCALL for PA in kernel-features.h.

Beside, your code wasn't correct.  Whether any of the lower 12 bits is
set does not determine whether mmap2 or mmap is used.  If the offset
is not page aligned this is an error.

Finally, will PA forever have 4k pages?  I thought PA can have
different page sizes.  What will the mmap2 implementation do in this case?

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